import pyclipper # https://pypi.org/project/pyclipper/

data = []
for line in open("input"):
    words = line.replace(":", "").replace(",","").split()
    coords = [int(w[w.index('=')+1:]) for w in words if '=' in w]
    data.append(coords)


pc = pyclipper.Pyclipper()
for sx,sy,bx,by in data:
    dx = abs(sx-bx)
    dy = abs(sy-by)
    d = dx+dy
    pc.AddPath([(sx+d,sy),(sx,sy+d),(sx-d,sy),(sx,sy-d)], pyclipper.PT_CLIP, closed=True)

M = 4000000
pc.AddPath([(0,0),(M,0),(M,M),(0,M)], pyclipper.PT_SUBJECT, closed=True)

solution = pc.Execute(pyclipper.CT_DIFFERENCE, pyclipper.PFT_NONZERO, pyclipper.PFT_NONZERO)

# should return a single small polygon shaped like a diamond
# the answer we want is the point at the center of the diamond

assert len(solution) == 1
assert pyclipper.Area(solution[0]) < 4

def avg(ns):
    return sum(ns)/len(ns)

for p in solution:
    x = avg([x for x,y in p])
    y = avg([y for x,y in p])
    print(x,y)
    print("frequency =",M*x + y)